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Finding the Fourth Proportional to 1,314,377, 1,813,840.35 and 710,765

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Solution

The fourth proportional to 1,314,377, 1,813,840.35 and 710,765 is: 980,855.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,377 : 1,813,840.35 = 710,765 : x
  2. Step 2: Convert to fraction form
    1,314,377/1,813,840.35 = 710,765/x
  3. Step 3: Cross multiply
    1,314,377x = 1,813,840.35 × 710,765
  4. Step 4: Simplify right side
    1,314,377x = 1,289,214,236,367.75
  5. Step 5: Solve for x
    x = 1,289,214,236,367.75/1,314,377
  6. Step 6: Final answer
    x = 980,855.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.